Yes, IEX only. But still great service, great tools. All for free. I mean how often do you see websocket support? If you want or need high res quotes from all

Yes, IEX only. But still great service, great tools. All for free. I mean how often do you see websocket support? If you want or need high res quotes from all exchanges including options data, you can also take a look at Nanex http://www.nanex.net/ http://www.nanex.net/ And thanks to everyone for posting great links ;)